public void Can_Remove_Existing_Telehone_Number()
{
// Arange
PhysicalPerson person = new PhysicalPerson("12345678901", "Mile", "Milic");
Telephone telephone1 = new Telephone("Kucni telefon", "123456");
Telephone telephone2 = new Telephone("Mobitel", "098123456");
person.AddTelephone(telephone1);
person.AddTelephone(telephone2);
// Act
var isSuccess = person.RemoveTelephone(telephone1);
// Assert
Assert.IsTrue(isSuccess);
Assert.AreEqual(1, person.Telephones.Count, "Trebao bi postojati jedan telefonski broj.");
Assert.AreEqual("098123456", person.Telephones.ElementAt(0).TelephoneNumber, "To nije broj mobitela, odnosno drugi zadani broj telefona..");
}
